Helicopter Gravity SA, NT (P197005), gravity point data

Gravity data measures small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This Helicopter Gravity SA, NT (P197005) contains a total of 18 point data values acquired at a spacing between 23500 and 50000 metres. The data is located in NT, SA and were acquired in 1970, under project No. 197005 for Bureau of Mineral Resources (BMR).

重力数据用于测量地球表面下方岩石密度变化所引发的微小重力变化。所采集的数据将通过标准流程进行处理，以确保记录得到的响应仅源于地下岩石。经处理后得到的数据集可通过解译，揭示地下地质构造。经处理的数据将由GA地球物理学家开展质量核查，以确保GA发布的最终数据符合使用要求。本航空重力（Helicopter Gravity）SA、NT数据集（编号P197005）共包含18个测点数据，测点间距介于23500米至50000米之间。该数据集采集于NT、SA地区，采集时间为1970年，是为矿产资源局（Bureau of Mineral Resources, BMR）实施的编号为197005的项目所获取的数据。